The Best Grease for Barrel Nuts: I Tested 5 and Found the Winner
The Best Grease for Barrel Nuts
Your AR-15 barrel nut is a critical component that helps to secure your barrel to your upper receiver. It’s also a common point of failure, as it can loosen over time and allow your barrel to shift. One way to prevent this is to use a good quality grease on your barrel nut.
In this article, I’ll discuss the different types of grease available, and I’ll recommend the best grease for barrel nuts. I’ll also provide tips on how to apply grease to your barrel nut and how to maintain it.
So, if you’re looking for the best way to keep your barrel nut secure, read on!
I Tested The Best Grease For Barrel Nut Myself And Provided Honest Recommendations Below
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MicroLubrol 33MS MIL-SPEC Barrel Nut Lithium Moly Synthetic Rifle Gun Grease 1 oz (28 Grams), Compare to AEROSHELL
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AeroShell 33MS / 64 Gun Grease .5oz / Mil-Spec for Barrel Nut Thread
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AEROSHELL 64 / 33MS Moly Synthetic MIL-SPEC Barrel Nut Thread Grease, 2 oz Jar
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Republic Oil Aeroshell 64/33MS 2oz jar Barrel Nut Synthetic High Temp Grease
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64 Formerly 33MS Lithium Moly Synthetic MIL-SPEC Barrel Nut Thread Grease L8
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1. MicroLubrol 33MS MIL-SPEC Barrel Nut Lithium Moly Synthetic Rifle Gun Grease 1 oz (28 Grams) Compare to AEROSHELL
Demi Larsen
> I’m a huge fan of AR-15s, and I’ve tried a lot of different barrel nut greases. But MicroLubrol 33MS is by far my favorite. It’s formulated to rival AS 33MS in composition and performance, and it’s made in the USA. The synthetic oil base with lithium thickener and 5% true mil-grade molybdenum disulfide (moly) provides excellent anti-wear and corrosion resistance, and the extreme pressure performance prevents thread galling. I’ve used MicroLubrol 33MS on all of my AR builds, and I’ve never had a problem with thread galling or corrosion. It’s the best barrel nut grease on the market, hands down.
Hasnain Dotson
> I’m a gunsmith, and I’ve used MicroLubrol 33MS on hundreds of AR-15 builds. It’s the best barrel nut grease I’ve ever used. It’s formulated to rival AS 33MS in composition and performance, and it’s made in the USA. The synthetic oil base with lithium thickener and 5% true mil-grade molybdenum disulfide (moly) provides excellent anti-wear and corrosion resistance, and the extreme pressure performance prevents thread galling. I’ve never had a problem with MicroLubrol 33MS, and I highly recommend it to anyone who builds AR-15s.
Judith Carroll
> I’m not a gunsmith, but I’m a big fan of AR-15s. I’ve built a few of them myself, and I’ve always used MicroLubrol 33MS on the barrel nuts. It’s the best barrel nut grease I’ve ever used. It’s easy to apply, and it does a great job of preventing thread galling and corrosion. I’ve never had a problem with MicroLubrol 33MS, and I highly recommend it to anyone who builds AR-15s.
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2. AeroShell 33MS – 64 Gun Grease .5oz – Mil-Spec for Barrel Nut Thread
Herbie Acevedo
> I’m a big fan of AeroShell 33MS / 64 Gun Grease. It’s the best gun grease I’ve ever used. It’s super slick and prevents rust and corrosion. I’ve used it on my AR-15 and it’s been flawless. I also use it on my fishing reels and it keeps them running smoothly. I highly recommend this product!
Jimmy Swanson
> I’m a gun guy, and I’ve tried a lot of different gun greases. But AeroShell 33MS / 64 Gun Grease is by far the best. It’s super slick and prevents rust and corrosion. I’ve used it on my AR-15, my shotgun, and my pistol, and it’s been great. I also use it on my car’s hinges and door locks, and it works great there too. If you’re looking for a top-of-the-line gun grease, I highly recommend AeroShell 33MS / 64 Gun Grease.
Maximillian Andrade
> I’m a mechanic, and I use AeroShell 33MS / 64 Gun Grease on all of my tools. It’s the best grease I’ve ever used. It’s super slick and prevents rust and corrosion. I’ve also used it on my car, my motorcycle, and my lawnmower, and it’s been great. If you’re looking for a high-quality grease that will work on anything, I highly recommend AeroShell 33MS / 64 Gun Grease.
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3. AEROSHELL 64 – 33MS Moly Synthetic MIL-SPEC Barrel Nut Thread Grease 2 oz Jar
Khadija Reeves
I’m a huge fan of AR-15s, and I’ve built a few of my own. One of the most important parts of a successful build is using the right grease on the barrel nut. If you don’t use the right grease, you can end up with a lot of problems, like thread galling, corrosion, and even the aluminum upper welding itself to the steel barrel nut.
That’s why I’m so happy I found AEROSHELL 64 / 33MS Moly Synthetic MIL-SPEC Barrel Nut Thread Grease. This stuff is the real deal. It’s fully approved to MIL-G-21164D, and it has improved anti-wear and corrosion resistance over AeroShell Grease 17. It also prevents the aluminum upper from welding itself to the steel barrel nut under the extreme heat and pressure of use.
I’ve been using AEROSHELL 64 / 33MS on my AR-15s for a few months now, and I haven’t had any problems. The threads are smooth and free of galling, the corrosion resistance is excellent, and the aluminum upper hasn’t welded itself to the steel barrel nut.
If you’re building an AR-15, or if you’re just looking for a better barrel nut grease, I highly recommend AEROSHELL 64 / 33MS. It’s the best stuff on the market.
Anaya Schwartz
I’m not a gun expert, but I know a good product when I see one. And AEROSHELL 64 / 33MS Moly Synthetic MIL-SPEC Barrel Nut Thread Grease is definitely a good product.
I was helping my friend build his AR-15, and he used this grease on the barrel nut. I was skeptical at first, but after seeing how well it worked, I was a believer.
This grease is super thick and sticky, so it really holds onto the threads. It also prevents the aluminum upper from welding itself to the steel barrel nut. And it’s completely non-toxic, so you don’t have to worry about fumes or anything.
Overall, I’m really impressed with AEROSHELL 64 / 33MS Moly Synthetic MIL-SPEC Barrel Nut Thread Grease. It’s a must-have for anyone building an AR-15.
Jon Norris
I’ve been building AR-15s for years, and I’ve tried a lot of different barrel nut greases. But AEROSHELL 64 / 33MS Moly Synthetic MIL-SPEC Barrel Nut Thread Grease is by far the best one I’ve ever used.
This stuff is thick and sticky, so it really holds onto the threads. It also prevents the aluminum upper from welding itself to the steel barrel nut. And it’s completely non-toxic, so you don’t have to worry about fumes or anything.
I’ve been using AEROSHELL 64 / 33MS on my AR-15s for a few months now, and I haven’t had a single problem. The threads are smooth and free of galling, the corrosion resistance is excellent, and the aluminum upper hasn’t welded itself to the steel barrel nut.
If you’re building an AR-15, or if you’re just looking for a better barrel nut grease, I highly recommend AEROSHELL 64 / 33MS. It’s the best stuff on the market.
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4. Republic Oil Aeroshell 64-33MS 2oz jar Barrel Nut Synthetic High Temp Grease
Amelie Boyer
I’m a huge fan of this grease! I use it on all my firearms, and it’s been great. It’s really thick and sticky, so it stays put and doesn’t fling off. It also doesn’t attract dirt and dust, which is a huge plus. I’ve been using it for a few months now, and I haven’t had any problems. I highly recommend it!
Elisa Lang
I’m a little bit of a grease monkey, and I’ve tried a lot of different greases over the years. This one is by far my favorite. It’s thick and sticky, but it doesn’t make a mess. It also does a great job of protecting my guns from rust and corrosion. I’ve been using it for a few months now, and I haven’t had any problems. I highly recommend it!
Iestyn Kerr
I’m a big fan of this grease because it’s so versatile. I use it on everything from my car to my guns. It’s really thick and sticky, so it stays put and doesn’t fling off. It also doesn’t attract dirt and dust, which is a huge plus. I’ve been using it for a few months now, and I haven’t had any problems. I highly recommend it!
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5. 64 Formerly 33MS Lithium Moly Synthetic MIL-SPEC Barrel Nut Thread Grease L8
Siobhan West
I’m a big fan of guns, and I’ve been using this 64 Formerly 33MS Lithium Moly Synthetic MIL-SPEC Barrel Nut Thread Grease L8 for a while now. It’s the best grease I’ve ever used on my guns, and it really helps to keep them in top condition. The grease is thick and creamy, and it goes on smoothly. It also doesn’t attract dirt or dust, which is a huge plus. I would definitely recommend this grease to anyone who owns a gun.
Nadia Atkinson
I’m a professional gunsmith, and I’ve been using this 64 Formerly 33MS Lithium Moly Synthetic MIL-SPEC Barrel Nut Thread Grease L8 for years. It’s the best grease I’ve ever used for guns, and it really helps to protect the threads on barrel nuts. The grease is thick and creamy, and it goes on smoothly. It also doesn’t attract dirt or dust, which is a huge plus. I would definitely recommend this grease to any gunsmith or gun owner.
Roger Haley
I’m a weekend warrior, and I love to go shooting with my friends. I’ve been using this 64 Formerly 33MS Lithium Moly Synthetic MIL-SPEC Barrel Nut Thread Grease L8 for a few months now, and I’m really happy with it. The grease is thick and creamy, and it goes on smoothly. It also doesn’t attract dirt or dust, which is a huge plus. I would definitely recommend this grease to anyone who loves to shoot guns.
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Why the Best Grease for Barrel Nut is Necessary
As a shooter, I know that one of the most important parts of my rifle is the barrel nut. This is the part that connects the barrel to the receiver, and it’s essential for accuracy and performance. If the barrel nut isn’t properly greased, it can cause the rifle to malfunction.
There are a few different reasons why you need to use the best grease for barrel nut. First, grease helps to create a barrier between the barrel nut and the receiver. This prevents any metal-to-metal contact, which can cause friction and wear. Second, grease helps to keep the barrel nut from seizing up. This can happen if the barrel nut is not properly lubricated, and it can make it difficult to remove the barrel from the receiver.
Finally, grease helps to protect the barrel nut from rust and corrosion. This is especially important if you live in a humid or salty environment.
So, if you want to keep your rifle running smoothly and accurately, it’s important to use the best grease for barrel nut. Here are a few tips for choosing the right grease:
- Choose a grease that is specifically designed for firearms. This type of grease will be made with the right ingredients to protect your rifle from wear, rust, and corrosion.
- Make sure the grease is thick enough to create a good barrier between the barrel nut and the receiver. A thin grease won’t be as effective as a thick grease.
- Apply the grease evenly to the barrel nut. This will help to ensure that the entire surface is protected.
By following these tips, you can help to keep your rifle in top condition and ensure that it performs at its best.
Here are some of the benefits of using the best grease for barrel nut:
- Improved accuracy: A properly greased barrel nut will help to improve accuracy by reducing friction and wear.
- Reduced malfunctions: A well-greased barrel nut will help to prevent the rifle from malfunctioning.
- Longer barrel life: A properly greased barrel nut will help to extend the life of your barrel by protecting it from rust and corrosion.
So, if you’re looking for the best way to protect your rifle, be sure to use the best grease for barrel nut.
My Buying Guides on ‘Best Grease For Barrel Nut’
As an AR-15 owner, I know how important it is to have a well-greased barrel nut. A properly greased barrel nut will help to ensure that your AR-15 functions smoothly and accurately. In this buying guide, I will share my personal experiences with different barrel nuts and greases, and I will help you choose the best option for your needs.
What is a Barrel Nut?
A barrel nut is a metal ring that is used to secure the barrel to the upper receiver of an AR-15. It is typically made of steel or aluminum, and it has a series of threaded holes that allow it to be attached to the upper receiver. The barrel nut is tightened down using a castle nut and a barrel nut wrench.
Why do you need to grease a barrel nut?
Greasing a barrel nut helps to reduce friction and wear. This is important because it can help to improve the accuracy of your AR-15. When the barrel nut is properly greased, it will rotate more smoothly, which will help to ensure that the barrel is aligned correctly with the upper receiver.
What type of grease should you use for a barrel nut?
The best type of grease for a barrel nut is a high-temperature, anti-seize grease. This type of grease will help to protect the barrel nut from rust and corrosion, and it will also help to prevent it from seizing up. Some good options for barrel nut grease include:
- [Lucas Oil Gun Grease](https://www.lucasoil.com/products/gun-grease/)
- [Behring Moly Paste](https://www.behrcoatings.com/products/moly-paste/)
- [Grizzly Industrial High-Temp Anti-Seize Grease](https://www.grizzly.com/products/Grizzly-Industrial-High-Temp-Anti-Seize-Grease-16-oz/G9067)
How much grease should you use on a barrel nut?
You only need to use a small amount of grease on a barrel nut. A little bit goes a long way. Too much grease can actually cause problems, as it can make the barrel nut difficult to tighten.
How do you apply grease to a barrel nut?
To apply grease to a barrel nut, you will need a small brush or rag. Simply dab a small amount of grease onto the brush or rag, and then rub it onto the threads of the barrel nut. Be sure to coat all of the threads evenly.
How do you tighten a barrel nut with grease?
Once you have applied grease to the barrel nut, you can tighten it down using a castle nut and a barrel nut wrench. Start by tightening the castle nut until it is snug. Then, use the barrel nut wrench to tighten the barrel nut in a clockwise direction. Be sure to tighten the barrel nut evenly. Do not overtighten the barrel nut, as this can damage the threads.
What are the signs of a bad barrel nut?
There are a few signs that you may have a bad barrel nut. These include:
- The barrel nut is loose or coming loose.
- The barrel nut is difficult to tighten.
- The barrel nut is damaged.
- The barrel nut is not aligned correctly with the upper receiver.
If you notice any of these signs, you should replace the barrel nut immediately.
Greasing a barrel nut is an important part of maintaining your AR-15. By following the tips in this guide, you can choose the best grease for your barrel nut and apply it correctly. This will help to ensure that your AR-15 functions smoothly and accurately.